Home / 12,535.09-18,801.99-4,215.17

Finding the Fourth Proportional to 12,535.09, 18,801.99 and 4,215.17

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Solution

The fourth proportional to 12,535.09, 18,801.99 and 4,215.17 is: 6,322.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,535.09 : 18,801.99 = 4,215.17 : x
  2. Step 2: Convert to fraction form
    12,535.09/18,801.99 = 4,215.17/x
  3. Step 3: Cross multiply
    12,535.09x = 18,801.99 × 4,215.17
  4. Step 4: Simplify right side
    12,535.09x = 79,253,631.19
  5. Step 5: Solve for x
    x = 79,253,631.19/12,535.09
  6. Step 6: Final answer
    x = 6,322.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.